I must sunder you must sunder she must sunder we must sunder you must sunder they must sunder
Forma con V-ing
I must be sundering you must be sundering she must be sundering we must be sundering you must be sundering they must be sundering
Perfecto
I must have sundered you must have sundered she must have sundered we must have sundered you must have sundered they must have sundered
Perfecto con V-ing
I must have been sundering you must have been sundering she must have been sundering we must have been sundering you must have been sundering they must have been sundering
Negación
Forma simple
I mustn't sunder you mustn't sunder she mustn't sunder we mustn't sunder you mustn't sunder they mustn't sunder
Forma con V-ing
I mustn't be sundering you mustn't be sundering she mustn't be sundering we mustn't be sundering you mustn't be sundering they mustn't be sundering
Perfecto
I mustn't have sundered you mustn't have sundered she mustn't have sundered we mustn't have sundered you mustn't have sundered they mustn't have sundered
Perfecto con V-ing
I mustn't have been sundering you mustn't have been sundering she mustn't have been sundering we mustn't have been sundering you mustn't have been sundering they mustn't have been sundering
Forma interrogativa
Forma simple
must I sunder? must you sunder? must she sunder? must we sunder? must you sunder? must they sunder?
Forma con V-ing
must I be sundering? must you be sundering? must she be sundering? must we be sundering? must you be sundering? must they be sundering?
Perfecto
must I have sundered? must you have sundered? must she have sundered? must we have sundered? must you have sundered? must they have sundered?
Perfecto con V-ing
must I have been sundering? must you have been sundering? must she have been sundering? must we have been sundering? must you have been sundering? must they have been sundering?
Forma interro-negativa
Forma simple
mustn't I sunder? mustn't you sunder? mustn't she sunder? mustn't we sunder? mustn't you sunder? mustn't they sunder?
Forma con V-ing
mustn't I be sundering? mustn't you be sundering? mustn't she be sundering? mustn't we be sundering? mustn't you be sundering? mustn't they be sundering?
Perfecto
mustn't I have sundered? mustn't you have sundered? mustn't she have sundered? mustn't we have sundered? mustn't you have sundered? mustn't they have sundered?
Perfecto con V-ing
mustn't I have been sundering? mustn't you have been sundering? mustn't she have been sundering? mustn't we have been sundering? mustn't you have been sundering? mustn't they have been sundering?